Subatomic particle that has a positive charge
What are Protons
Developed early atomic theory stating that all matter is made up of small particles called atoms
Who is John Dalton
The name for the horizontal rows of elements
What are Periods
What is a non-polar bond
What is the Atomic number
Subatomic particle that has a neutral charge
What are Neutrons
The experiment preformed by ___________ revealed that atoms are mostly empty spaces with a small, dense, positively charged nucleus
Who is Rutherford
Generally nonmetals are located
Ions that are made up of more than 1 atom
what is a polyatomic ion
The sum of protons and neutrons
What is the atomic mass or mass number
A subatomic particle that has a negative charge
What is an Electron?
Discovered that atoms contain negatively charged particles
Who is J.J Thomas
What is the carbon family
What type of bond holds (H2O) together by sharing valence electrons?
What is 10
Electrons in the outermost energy ring
What are Valence Electrons
He proposed that atoms are solid spheres that cannot be devided
Who is John Dalton
The element with the simplest atoms
What is hydrogen
Sodium has 1 valence electron and Chlorine has 7 valence electors. When they combine what happens to their charges?
Less than 7, (0-<7)
2 subatomic particles packed inside the nucleus
What are neutrons and protons?
Electrons move rapidly in all direction around the atoms nucleus
Electrons are transferred from a metal to a nonmetal, creating oppositely charged ions that atrract
What is an ionic bond
Atoms with the same numbers of protons and different number of neutrons are
What is an isotope